Toothbrush



FIG. 1 is a front, side perspective view of a toothbrush showing my newdesign;

FIG. 2 is a top, rear perspective view thereof;

FIG. 3 is a rear, side perspective view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a side view thereof; and,

FIG. 6 is a side, front perspective view thereof.

CLAIM The ornamental design for a toothbrush, as shown and described.